High quality materials:Environmental ABS plastic, odorless and sturdy and not easily broken, an interesting safe specially designed for children. Piggy Bank Safe with Code:This safe cannot be opened only when you enter the 4-digit password, the green light will turn on, then you can turn the knob clockwise and open the door. (By default: "0000" Password can be changed as you like). Money management: Protect children's personal belongings, can store coins or paper money, greatly help your children develop a good habit of saving money. Teaching life skills and money management at a young age is a great thing. Easy to use:Insert coins into the coin slot on the top of the bank and when depositing bills , it sucks up the money instead of swiping it. No one can open the safe without a password. A perfect gift: Kids will love receiving this COOL bank to save money. It's fun and educational and it teaches the importance of saving. It is the best gift for your birthday present, Christmas present, New Year gifts, prizes, rewards or any other holiday gifts.